207957175

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:420

約数の個数: 36

約数和(自身を含む): 277515720

約数和(自身を除く): 69558545

約数列:

[1, 5, 17, 25, 85, 107, 269, 289, 425, 535, 1345, 1445, 1819, 2675, 4573, 6725, 7225, 9095, 22865, 28783, 30923, 45475, 77741, 114325, 143915, 154615, 388705, 489311, 719575, 773075, 1943525, 2446555, 8318287, 12232775, 41591435, 207957175]

約数ペア:

[(1, 207957175), (5, 41591435), (17, 12232775), (25, 8318287), (85, 2446555), (107, 1943525), (269, 773075), (289, 719575), (425, 489311), (535, 388705), (1345, 154615), (1445, 143915), (1819, 114325), (2675, 77741), (4573, 45475), (6725, 30923), (7225, 28783), (9095, 22865)]